docs-v2/content/flux/v0.x/stdlib/strings/tolower.md

title	description	aliases	menu	weight	related	introduced
strings.toLower() function	The strings.toLower() function converts a string to lowercase.	/influxdb/v2.0/reference/flux/functions/strings/tolower/ /influxdb/v2.0/reference/flux/stdlib/strings/tolower/ /influxdb/cloud/reference/flux/stdlib/strings/tolower/	flux_0_x_ref name parent strings.toLower strings	301	/flux/v0.x/stdlib/strings/totitle /flux/v0.x/stdlib/strings/toupper /flux/v0.x/stdlib/strings/title	0.18.0

The strings.toLower() function converts a string to lowercase.

Output data type: String

import "strings"

strings.toLower(v: "KOALA")

// returns "koala"

Parameters

v

The string value to convert.

Examples

Convert all values of a column to lower case

import "strings"

data
    |> map(fn: (r) => ({r with exclamation: strings.toLower(v: r.exclamation)}))